Examine source code of SPtweaks

{
  "manifest_version": 2,
  "name": "SPTweaks",
  "description": "Простой твикер для сайта проекта #SPWorlds. Переродился из личного проекта для удаления закрытых дел на суд.",
  "version": "1.3.2_2",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "three.js",
    "three.js-master/examples/js/loaders/GLTFLoader.js",
    "steve.gltf",
    "alex.gltf",
    "skybox.gltf",
    "poses/*",
    "backgraund/*",
    "styles/*",
    "avatar_backgraund/*",
    "decorations/*",
    "emote_icon.png",
    "saul_bg.png",
    "load_sticker.svg"
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "index.html"
  },
  "background": {
    "scripts": [
      "vizualno_ronunru.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3452eb30-0fcd-4dc7-b598-0b91effe682d}"
    }
  }
}